They did something very similar 20+ years ago called XL1 to achieve 1l/100km, never made it into production. https://de.wikipedia.org/wiki/VW_XL1

Had the same issue. In the end, getting pulled into some Google Ads sales funnel and them solving the issue through internal tickets helped. Spent $1000 on useless ads in the process, but have an "unlocked" account now. Really disappointing customer experience.

Found this to display the optimal LLM choice while building evalry. It's such a useful tool, not only for thinking about it, but for visualization, too.

Example: Which LLM gives me the best ELI5 explanations for a given price. https://evalry.com/benchmarks/explain-like-i-m-5-321

What I read from that is that there's a chance claude gets worse using a claude.md and that's a usability issue on their side.

I've seen this particular in the post and others from Anthropic make similar claims of "oh, just do this or that", and I've always been of the opinion: "isn't this what everyone is paying Anthropic to do?".